SINO´NIA
SINO´NIA (
Zannone), was the name given in ancient times to the smallest of the three islands known as the
Isole di Ponza. It is situated about 5 miles to the NE. of Pontia (
Ponza), the principal island of the group (
Plin. Nat. 3.6. s. 12; Mel. 2.7.18).
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E.H.B]